JPS58127894U - Waveform shaping circuit - Google Patents
Waveform shaping circuitInfo
- Publication number
- JPS58127894U JPS58127894U JP1982021742U JP2174282U JPS58127894U JP S58127894 U JPS58127894 U JP S58127894U JP 1982021742 U JP1982021742 U JP 1982021742U JP 2174282 U JP2174282 U JP 2174282U JP S58127894 U JPS58127894 U JP S58127894U
- Authority
- JP
- Japan
- Prior art keywords
- waveform shaping
- shaping circuit
- transistors
- bases
- transistor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007493 shaping process Methods 0.000 title claims description 4
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Control Of Electric Motors In General (AREA)
- Manipulation Of Pulses (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は回転ヘッド型VTRのドラムサーボ系を示す回
路図、第2図はその説明に供する線図、第3図は従来の
波形整形回路の例を示す接続図、第4図は夫々第3図例
の説明に供する線図、第5図は本考案による波形整形回
路の一実施例を示す接続図である。
IAはPG弓イル、11は入力端子、12は差動アンプ
、12A、12B及び27は夫々トランジスタ、13は
電源端子、28は出力端子、30は可変抵抗器である。Fig. 1 is a circuit diagram showing the drum servo system of a rotary head type VTR, Fig. 2 is a diagram for explaining it, Fig. 3 is a connection diagram showing an example of a conventional waveform shaping circuit, and Fig. 4 is a circuit diagram showing the drum servo system of a rotary head type VTR. 3 is a diagram for explaining the example, and FIG. 5 is a connection diagram showing one embodiment of the waveform shaping circuit according to the present invention. IA is a PG coil, 11 is an input terminal, 12 is a differential amplifier, 12A, 12B and 27 are transistors, 13 is a power supply terminal, 28 is an output terminal, and 30 is a variable resistor.
Claims (1)
、該第1、第2のトランジスタのベースには共通のバイ
アスが与えられ、上記第1、第2のトランジスタの一方
のベースに入力信号が与えられ、上記第1あるいは第2
のトランジスタのコレクタより出力信号を得る集積回路
化された波形整形回路において、上記一方のベースが接
続された入力端子ピンに所定のバイアスを与えるように
したことを特徴とする波形整形回路。It consists of a differential amplifier consisting of a first and a second transistor, a common bias is applied to the bases of the first and second transistors, and an input signal is applied to the base of one of the first and second transistors. given, the first or second above
What is claimed is: 1. A waveform shaping circuit configured as an integrated circuit that obtains an output signal from a collector of a transistor, characterized in that a predetermined bias is applied to an input terminal pin connected to one of the bases.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982021742U JPS58127894U (en) | 1982-02-18 | 1982-02-18 | Waveform shaping circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1982021742U JPS58127894U (en) | 1982-02-18 | 1982-02-18 | Waveform shaping circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS58127894U true JPS58127894U (en) | 1983-08-30 |
Family
ID=30033860
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1982021742U Pending JPS58127894U (en) | 1982-02-18 | 1982-02-18 | Waveform shaping circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58127894U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6159908A (en) * | 1984-08-30 | 1986-03-27 | Sharp Corp | Comparator circuit |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52105756A (en) * | 1976-03-01 | 1977-09-05 | Sony Corp | Level adjustment circuit |
-
1982
- 1982-02-18 JP JP1982021742U patent/JPS58127894U/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52105756A (en) * | 1976-03-01 | 1977-09-05 | Sony Corp | Level adjustment circuit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6159908A (en) * | 1984-08-30 | 1986-03-27 | Sharp Corp | Comparator circuit |
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